Black Pine Mine: Pyromorphite & Scheelite Rockhounding in Granite County, Montana
Updated June 2026
Black Pine Mine is a mapped rockhounding spot in Granite County, Montana. Reported finds include pyromorphite, scheelite, stolzite. Below: coordinates, access notes, nearby spots, and trip-planning links.
Map showing Black Pine Mine in Granite County, Montana
Quick details
- Access
- Public area
- County
- Granite County
- State
- Montana
- Nearest road
- FS 678
- Coordinates
- 46.44783, -113.36691
Geology at Black Pine Mine
This spot sits on Mount Shields Formation, mapped as (quartzite)| (quartzite)| (argillite) that formed roughly 1600 to 1000 million years ago. Metamorphic rock like this weathers into resistant float, and minerals that survive transport typically concentrate in nearby drainages.
- Mapped unit
- Mount Shields Formation
- Age
- 1600–1000 Ma (Mesoproterozoic)
- Rock types
- (quartzite)| (quartzite)| (argillite)
- Elevation
- 6,390 ft
Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.
Best time to visit Black Pine Mine
Best months: April to October. Typical highs run 77°F in midsummer and 32°F in midwinter, with winter lows near 11°F.
Climate normals: NOAA 1991-2020 monthlies, PHILIPSBURG RS station (10 mi away), adjusted for elevation.
Land & collecting status
Generally open to casual rockhounding
Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.
Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.
Sources & verification
Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.
State guidance last verified:
- BLM Montana — Recreational mineral collecting
- Montana Bureau of Mines and Geology
- Gem Mountain Sapphire Mine (fee-dig operator)
- Community submissions reviewed against published agency rules
Found at Black Pine Mine
Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.
Nearby rockhounding spots
Other rockhounding spots within driving distance of Black Pine Mine.
- PhillipsburgGranite County, Montana · 10 mi awayChrysocolla, Rhodochrosite, Ore
- Rock CreekTop pick in MontanaGranite County, Montana · 16 mi awayQuartz, Sapphire
- Gem Mountain Sapphire MineGranite County, Montana · 18 mi away
- Gem Mountain Sapphire MineGranite County, Montana · 18 mi awaySapphire
- GeorgetownDeer Lodge County, Montana · 19 mi awayGold, Chrysocolla
- PioneerPowell County, Montana · 20 mi awayGold, Calcite, Chalcopyrite
- GoldcreekPowell County, Montana · 23 mi awayGold
- Lost CreekDeer Lodge County, Montana · 24 mi awayAmazonite
